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Which of the following is a chemical change? A. Boiling water using fire B. Breathing in oxygen and breathing out carbon dioxide C. Ripping a piece of paper in half D. Melting gold to make jewelry
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Which of the following is a chemical change?

A. Boiling water using fire
B. Breathing in oxygen and breathing out carbon dioxide
C. Ripping a piece of paper in half
D. Melting gold to make jewelry

User Kimy BF
by
6.4k points

1 Answer

6 votes
B is a physical change, A involves no chemical change, C is a physical change. So your answer is D.
User Kamil Roman
by
6.5k points
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